New York: Arbor House, (1978) dj. Hardcover first edition - Thriller set in the near future. "The Barracuda - pride of America's nuclear submarine fleet, was lost at sea and finally forgotten by all but a few men in high places. Then, a pilot on a routine recon flight spots her in the Caribbean, half a world away from where it went down. As the deadly, slient sub slips back below the surface, the hunt begins, punctuated by deaths on land." 245 pp. ISBN: 0-877951888.

New York: Crown, (2015). First edition - On May 1st, 1915 the Lusitania set sail on its final voyage, sunk by a German U-boat off the coast of Ireland. In addition to the account of its sinking, this focuses on the politics of World War I, on the rise of the importance of Germany's submarines, and on some of the passengers - including the famed Boston bookseller Charles Lauriat and pioneering female architect Theodate Pope - on the Captain, William Thomas Turner, and on the total unpreparedness for the attack, despite a warning from the Germans as the ship left New York. Notes, bibliography. 418 pp.